51020152 has 8 divisors (see below), whose sum is σ = 95662800. Its totient is φ = 25510072.

The previous prime is 51020143. The next prime is 51020153. The reversal of 51020152 is 25102015.

It is a tau number, because it is divible by the number of its divisors (8).

It is a pancake number, because a pancake can be divided into 51020152 parts by 10101 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51020153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188752 + ... + 3188767.

It is an arithmetic number, because the mean of its divisors is an integer number (11957850).

Almost surely, 2^51020152 is an apocalyptic number.

It is an amenable number.

51020152 is a deficient number, since it is larger than the sum of its proper divisors (44642648).

51020152 is a wasteful number, since it uses less digits than its factorization.

51020152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377525 (or 6377521 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 51020152 is about 7142.8392114061. The cubic root of 51020152 is about 370.8918151199.

Adding to 51020152 its reverse (25102015), we get a palindrome (76122167).

The spelling of 51020152 in words is "fifty-one million, twenty thousand, one hundred fifty-two".